
Now, Shanghai ChangZeng Metal Co., Ltd. has received much attention because of its famous steel tubing. ChangZeng's steel beam series include multiple types. steel beam shows obvious advantages with c channel steel materials. It is the best for welding, machining or other needs. This product is energy efficient. It has proven to be supported in terms of minimum energy performance standards (MEPs) and average rating standards. It comes with installation instructions and videos.

High quality and efficiency is our management goal. We encourage employees to give feedback and continuous communication, which allows employees to keep pace with evolving business and market requirements and bring contributions to the company.